Not Physical, E.g. a Game That Demands Brainpower
Puzzle 6 of Solving a Mystery Easy Pack
Question is: Not Physical, E.g. a Game That Demands Brainpower
and the answer is: MENTAL
Word Meaning:
MENTAL — (relational) Of or relating to the mind or specifically the total emotional and intellectual response of an individual to external reality.
Definitions from Wiktionary.